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48249689 = 172838217
BaseRepresentation
bin1011100000001…
…1101101011001
310100210100010112
42320003231121
544322442224
64442054105
71124054435
oct270035531
9110710115
1048249689
1125265784
12141aa335
139cc4817
14659d9c5
15438130e
hex2e03b59

48249689 has 4 divisors (see below), whose sum is σ = 51087924. Its totient is φ = 45411456.

The previous prime is 48249647. The next prime is 48249701. The reversal of 48249689 is 98694284.

It is a happy number.

48249689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42680089 + 5569600 = 6533^2 + 2360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-48249689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48449689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1419092 + ... + 1419125.

It is an arithmetic number, because the mean of its divisors is an integer number (12771981).

Almost surely, 248249689 is an apocalyptic number.

It is an amenable number.

48249689 is a deficient number, since it is larger than the sum of its proper divisors (2838235).

48249689 is a wasteful number, since it uses less digits than its factorization.

48249689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2838234.

The product of its digits is 995328, while the sum is 50.

The square root of 48249689 is about 6946.1996084190. The cubic root of 48249689 is about 364.0531888020.

The spelling of 48249689 in words is "forty-eight million, two hundred forty-nine thousand, six hundred eighty-nine".

Divisors: 1 17 2838217 48249689